#A13037#A13037

#A13037 is a mid, vivid red. Relative luminance 0.100; OKLCH L 48.2% C 0.148 H 21.3°. Best body text is #FFFFFF at 7.02:1 contrast (WCAG AA passes).

Color values

HEX	#A13037
RGB	rgb(161, 48, 55)
HSL	hsl(356, 54%, 41%)
HSV	hsv(356, 70%, 63%)
CMYK	cmyk(0%, 70.2%, 65.8%, 36.9%)
CIE-LAB	lab(37.79, 46.78, 22.72)
CIE-LCH	lch(37.79, 52.00, 25.90°)
OKLab	oklab(48.18% 0.1381 0.054)
OKLCH	oklch(48.18% 0.148 21.3)
XYZ	xyz(16.4462, 9.9692, 4.6719)
Luminance	0.0997 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A13037 #30A19A

analogous

#A1306F #A13037 #A16130

triadic

#A13037 #37A130 #3037A1

tetradic

#A13037 #6FA130 #30A19A #6130A1

square

#A13037 #6FA130 #30A19A #6130A1

split-complementary

#A13037 #30A161 #306FA1

monochromatic

#431417 #722227 #A13037 #C8464E #D6757B

Accessibility & contrast

On white

7.02

#A13037 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#A13037 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A13037

7.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A13037	#FFFFFF	#000000	##FFFFFF
##A13037	1.00	7.02	2.99	7.02
#FFFFFF	7.02	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4A36

Deuteranopia (green-blind)

#6B6234

Tritanopia (blue-blind)

#B11034

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #a13037;
/* rgb */ color: rgb(161, 48, 55);
/* oklch */ color: oklch(48.2% 0.148 21.3);

Tailwind

colors: {
  custom: {
    50: '#c4706d',
    500: '#a13037',
    950: '#000000',
  },
}

SCSS

$custom: #a13037;
$custom-light: #c4706d;
$custom-dark: #000000;

JSON

{
  "hex": "#a13037",
  "rgb": {
    "r": 161,
    "g": 48,
    "b": 55
  },
  "hsl": {
    "h": 356.283,
    "s": 54.067,
    "l": 40.98
  },
  "oklch": {
    "l": 0.48179,
    "c": 0.1483,
    "h": 21.3
  },
  "luminance": 0.09967
}

Semantic roles & 50–950 ramp

primary

#A13037

secondary

#6FBEB9

accent

#DDD44A

background

#FCF7F6

surface

#F9EDEB

border

#D2C8C6

text

#140807

muted

#827B7A

Preview Lab

Preview with #A13037

Body copy rendered with the generated semantic roles for this colour.

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